U.S. Markets close in 3 hrs 16 mins

Biogen Skids On Alzheimer's Flop — And Unveils Yet Another Study

ALLISON GATLIN
Biogen Skids On Alzheimer's Flop — And Unveils Yet Another Study

Biogen and Japanese pharma Eisai announced a new study in Alzheimer's disease treatment Friday following a high-profile failure on Thursday that sent Biogen stock into a tailspin.